다이아프램 밸브 | PDV시리즈(Pneumatic Type)

PDV시리즈는 프라이메트 다이아프램 밸브의 표준 제품입니다。
SUS316L 단조 바디（싱글 재질）로、각종 피팅（메틸 실링、더블 페럴、Butt Weld）로 구성 가능합니다。

주문을 위한 사양형식

치수규격

Size 1/4” 3/8” 1/2”
Cv값 0.27 0.65
Max.Operating Pressure 1.0MPa(G)
Operating Temp. Range -10〜80℃
External Leakage Inboard ≦3×10-12 Pa・m3 ／sec Helium
Across Seat ≦3×10-10 Pa・m3 ／sec Helium

Material

Part name Material
①Body SUS316L
②Seat PCTFE
③Diaphragm Ni-Co Alloy
④Handle　Handle Aluminum

Model

Male Metal Seal

Unit(mm)
Size A B C D E F G H
1/4″ 11 89 40 58 25 30 30 Rc1/8
3/8″ 17.5 92.5 40 76 28 37 37 Rc1/8
1/2″

Female Metal Seal

Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 70.6 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 100 28 37 37 Rc1/8
1/2″

Double Ferrule

Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 63.5 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 79.4 28 37 37 Rc1/8
1/2″ 17.5 73.5 56 86 28 37 37 Rc1/8

Butt Weld Long

Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 89 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 105 28 37 37 Rc1/8
1/2″

Butt Weld Short

Unit(mm)
Size A B C D E F G H
1/4″ 11 65 46 44.4 25 30 30 Rc1/8
3/8″ 17.5 73.5 56 55 28 37 37 Rc1/8
1/2″
※치수규격 are subjected to change without prior notice.